Consumer Reports Deputy Content Editor Lisa Gill: “Get your vitamin C from food”

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Vitamin D tablets and pills are displayed, Wednesday, Nov. 9, 2016, in New York. Doctors are warning about vitamin D again, and it isn't the "we need more" news you might expect. Instead, they say there's an epidemic of needless testing and too many people taking too many pills for a deficiency that very few people truly have. (AP Photo/Mark Lennihan)

Consumer Reports Deputy Content Editor Lisa Gill differentiates between the cold and the flu, at a time when people everywhere run back to work while under the weather. She tells John how best to treat these illnesses, and goes on to describe how certain over-the-counter medicines cause more of a concern than treat.

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